Condensed Consolidated Statements of Comprehensive Income (Parenthetical) (USD $) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 29, 2013		Jun. 29, 2013
Amortization of actuarial loss and prior service costs, tax benefit	$ 102	[1]	$ 204	[1]

[1] Amounts in parenthesis indicate reductions to net income upon reclassification from accumulated other comprehensive loss.